Convert ICD-10 Code M23.222 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
M23.222 Derang of post horn of medial mensc d/t old tear/inj, l knee		717.2 Derang post med meniscus
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

ICD-10 to ICD-9 crosswalk for code M23.222 - derangement of posterior horn of medial meniscus due to old tear or injury, left knee based on the most recent General Equivalence Mappings (GEMS) information.